On 03/05/2018 14:56, The Natural Philosopher wrote:
On 03/05/18 14:49, Andy Burns wrote:
Prof wrote:

There is an easier way, cut the soil pipe off below the conservatory
roof and
add an air admittance valve to the pipe

And if there's a bathroom above the conservatory (The O/P did say soil
pipe, rather than vent pipe a decade ago) just let the **** splatter
on the roof?

A fine plan IMHO


Solves the issue of too much sun.